dzhokhar tsarnaev remains hospitalized this morning with injuries including one to his throat. "new york times" is reporting that the department of homeland security decided in recent months to delay action on an application for citizenship from the other suspected bomber, tamerlan tsarnaev. a routine background check revealed he was interviewed by the fbi in 2011 at the request of the russian government, which suspected that the older brother had ties to chechen terrorism. he was killed following a shootout with police early friday morning in boston. cnn's latest reporting shows 57 victims remain hospitalized as a result of the boston bombings including three in critical condition. joining me now is massachusetts senator, william his friends call him mo cowan. thank you, senator, for being with us out of boston. i want to is you what you know about the status of the investigation. has anything new turned up? >> well, good morning, candy. thanks for having me here. and before i respond i want to take this opportunity to once again thank all the first responders who came to the